66
PAGE CONTROL
Now that we have seen how to control line spacing, we can go on to page control - positioning the printing on the page and adjusting the paper length,
nForm feed
The simplest forms control code is the formfeed. Form feed (or < FF > ) is CHR$(12) and causes the printer to move the paper to the top of the next sheet. Try it by changing lines
40 and 50 to this:
40 ’ Form feed
50 LPRINT CHR$(12);
Before you run the program, turn your printer off and adjust the paper so that the top of the sheet is even with the top of the ribbon guide on the print head, then turn the printer back on. If you don’t remember how to do this, review Chapter 2. When you run the program, the results will look like this:
v | I |
|
|
| |||
01 | 1 L.:KI’x:NLJlwE~Fi1I |
| |
LX NE | NLJMBEW ‘2. | I | |
|
| v | |
|
| ||
O/ | I | 0: | L.j:luf:pJiJpiEE:F:i3y |
1 I...:rNlJtltE:F:.NE4,. | |||
0 | j | 01 |
|
| I |
| |
The form feed (CHR$( 12)) in line 50 caused the printer to move to the top of a new page before printing the last two lines.
nReverse form feed
Just as your printer can perform a reverse line feed, it can do a reverse form feed. This code moves the paper so that the print head is positioned at the top of the current page. This can be used, for example, to print text in a
